30秒学会 Python 片段 – Execute function for each list element in reverse
Executes the provided function once for each list element, starting from the list’s last eleme...
Executes the provided function once for each list element, starting from the list’s last eleme...
Finds the index of the last element in the given list that satisfies the provided testing function. ...
Returns a flat list of all the values in a flat dictionary. Use dict.values() to return the values i...
Creates a flat list of all the keys in a flat dictionary. Use dict.keys() to return the keys in the ...
Creates a list with the non-unique values filtered out. Use collections.Counter to get the count of ...
Splits values into two groups, based on the result of the given filtering function. Use a list compr...
Converts a dictionary to a list of tuples. Use dict.items() and list() to get a list of tuples from ...
Calculates the sum of a list, after mapping each element to a value using the provided function. Use...
Creates a list with the unique values filtered out. Use collections.Counter to get the count of each...
Converts a list of dictionaries into a list of values corresponding to the specified key. Use a list...